# 1 - Topshiriq
# c = list(range(1, 101))
'''
for i in c:
    print(i, end = ' ')

print([k for k in list(range(1, 51))])

print([k for k in c if k < 31])
'''
'''
a = 1
while a < 101:
    print(a)
    a += 1

# 2 - Topshiriq
# print([i**2 for i in c if i < 31])
# 3 - Topshiriq
x = float(input('Soatni kiriting: '))
litr = 0.5 
soat = 1
print(int(x // 2))
s = 'Helloworld'
if ' ' in s:
    s = s.upper()
else:
    s = s.lower()

print(s)
'''
